/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.coyote;

import org.apache.tomcat.util.net.SocketStatus;

/**
 * Adapter. This represents the entry point in a coyote-based servlet container.
 * 
 * 
 * @author Remy Maucherat
 * @see ProtocolHandler
 */
public interface Adapter {

	/**
	 * Call the service method, and notify all listeners
	 * 
	 * @exception Exception
	 *                if an error happens during handling of the request. Common
	 *                errors are:
	 *                <ul>
	 *                <li>IOException if an input/output error occurs and we
	 *                are processing an included servlet (otherwise it is
	 *                swallowed and handled by the top level error handler
	 *                mechanism)
	 *                <li>ServletException if a servlet throws an exception and
	 *                we are processing an included servlet (otherwise it is
	 *                swallowed and handled by the top level error handler
	 *                mechanism)
	 *                </ul>
	 *                Tomcat should be able to handle and log any other
	 *                exception ( including runtime exceptions )
	 */
	public void service(Request req, Response res) throws Exception;

	public boolean event(Request req, Response res, SocketStatus status)
			throws Exception;

}
